xref: /titanic_50/usr/src/uts/sun4u/opl/sys/drmach.h (revision 292f4c1c373bd6e2c3c0b6e199a87392f265291f)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 /*
22  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #ifndef _SYS_DRMACH_H_
27 #define	_SYS_DRMACH_H_
28 
29 #pragma ident	"%Z%%M%	%I%	%E% SMI"
30 
31 #ifdef	__cplusplus
32 extern "C" {
33 #endif
34 
35 #ifndef _ASM
36 #include <sys/types.h>
37 #include <sys/memlist.h>
38 #include <sys/processor.h>
39 #include <sys/cpuvar.h>
40 #include <sys/sbd_ioctl.h>
41 #include <sys/sysevent.h>
42 #include <sys/ddi.h>
43 #include <sys/sunddi.h>
44 #include <sys/sunndi.h>
45 #include <sys/ddi_impldefs.h>
46 #include <sys/pte.h>
47 #include <sys/opl.h>
48 #endif
49 
50 
51 #define	MAX_BOARDS		plat_max_boards()
52 #define	MAX_CPU_UNITS_PER_BOARD	plat_max_cpu_units_per_board()
53 #define	MAX_MEM_UNITS_PER_BOARD	plat_max_mem_units_per_board()
54 #define	MAX_IO_UNITS_PER_BOARD	plat_max_io_units_per_board()
55 #define	MAX_CMP_UNITS_PER_BOARD	plat_max_cmp_units_per_board()
56 /*
57  * DR uses MAX_CORES_PER_CMP as number of virtual CPU within a CMP
58  */
59 #define	MAX_CORES_PER_CMP	OPL_MAX_CPU_PER_CMP
60 
61 
62 /* returned with drmach_board_find_devices callback */
63 #define	DRMACH_DEVTYPE_CPU	"cpu"
64 #define	DRMACH_DEVTYPE_MEM	"memory"
65 #define	DRMACH_DEVTYPE_PCI	"pci"
66 
67 #define	FMEM_LOOP_START		1
68 #define	FMEM_LOOP_COPY_READY	2
69 #define	FMEM_LOOP_COPY_DONE	3
70 #define	FMEM_LOOP_FMEM_READY	4
71 #define	FMEM_LOOP_RENAME_DONE	5
72 #define	FMEM_LOOP_DONE		6
73 #define	FMEM_LOOP_EXIT		7
74 
75 #define	FMEM_NO_ERROR		0
76 #define	FMEM_OBP_FAIL		1
77 #define	FMEM_XC_TIMEOUT		2
78 #define	FMEM_COPY_TIMEOUT	3
79 #define	FMEM_SCF_BUSY		4
80 #define	FMEM_RETRY_OUT		5
81 #define	FMEM_TIMEOUT		6
82 #define	FMEM_HW_ERROR		7
83 #define	FMEM_TERMINATE		8
84 #define	FMEM_COPY_ERROR		9
85 #define	FMEM_SCF_ERR		10
86 
87 #define	SCF_CMD_BUSY		0x8000
88 #define	SCF_STATUS_READY	0x8000
89 #define	SCF_STATUS_SHUTDOWN	0x4000
90 #define	SCF_STATUS_POFF		0x2000
91 #define	SCF_STATUS_EVENT	0x1000
92 #define	SCF_STATUS_TIMER_ADJUST	0x0800
93 #define	SCF_STATUS_ALIVE	0x0400
94 #define	SCF_STATUS_MODE_CHANGED	0x0200
95 #define	SCF_STATUS_CMD_U_PARITY	0x0100
96 #define	SCF_STATUS_CMD_RTN_CODE	0x00f0
97 #define	SCF_STATUS_MODE_SWITCH	0x000c
98 #define	SCF_STATUS_CMD_COMPLETE	0x0002
99 #define	SCF_STATUS_CMD_L_PARITY	0x0001
100 
101 #define	SCF_RETRY_CNT		15
102 
103 #ifndef _ASM
104 
105 /*
106  * OPL platform specific routines currently only defined
107  * in opl.c and referenced by DR.
108  */
109 
110 typedef void *drmachid_t;
111 
112 /*
113  *	We have to split up the copy rename data structure
114  *	into several pieces:
115  *	1. critical region that must be locked in TLB and must
116  *	   be physically contiguous/no ecache conflict.
117  *	   This region contains the assembly code that handles
118  *	   the rename programming, the slave code that loops
119  *	   until the master script completes and all data
120  *	   required to do the programming.
121  *
122  *	   It also contains the status of each CPU because the
123  *	   master must wait for all the slaves to get ready before
124  *	   it can program the SCF.
125  *
126  *	   We do not need the error code in the critical section.
127  *	   It is not set until the FMEM is done.
128  *	2. relocatable section that must be locked in TLB.  All data
129  *	   referenced in this section must also be locked in TLB to
130  *	   avoid tlbmiss.
131  *
132  *	   We will also put everything else in this section even it
133  *	   does not need such protection.
134  */
135 typedef struct {
136 	int16_t	scf_command;
137 	int8_t	scf_rsv1[2];
138 	int16_t	scf_status;
139 	int8_t	scf_rsv2[2];
140 	int8_t	scf_version;
141 	int8_t	scf_rsv3[3];
142 	int8_t	scf_rsv4[4];
143 	uint8_t	scf_tdata[16];
144 	uint8_t	scf_rdata[16];
145 } drmach_scf_regs_t;
146 
147 
148 
149 typedef struct {
150 	volatile uint_t	stat;
151 	volatile uint_t	error;
152 	int	op;
153 #define	OPL_FMEM_SCF_START 	0x1
154 #define	OPL_FMEM_MC_SUSPEND	0x2
155 } drmach_fmem_mbox_t;
156 
157 typedef struct {
158 	uint64_t		scf_reg_base;
159 	uint8_t			scf_td[16];
160 	uint64_t		save_log[8];
161 	uint64_t		save_local[8];
162 	uint64_t		pstate;
163 	uint64_t		delay;
164 	int			(*run)(void *arg, int cpuid);
165 	int			(*fmem)(void *arg, size_t sz);
166 	int			(*loop)(void *arg1, size_t sz, void *arg2);
167 	void			(*loop_rtn)(void *arg);
168 	uint64_t		inst_loop_ret;
169 	int			fmem_issued;
170 	volatile uchar_t 	stat[NCPU];
171 } drmach_copy_rename_critical_t;
172 
173 typedef struct {
174 	uint64_t		s_copybasepa;
175 	uint64_t		t_copybasepa;
176 	drmachid_t		s_mem;
177 	drmachid_t		t_mem;
178 	cpuset_t		cpu_ready_set;
179 	cpuset_t		cpu_slave_set;
180 	cpuset_t		cpu_copy_set;
181 	processorid_t		cpuid;
182 	drmach_fmem_mbox_t	fmem_status;
183 	volatile uchar_t 	error[NCPU];
184 	struct memlist		*c_ml;
185 	struct memlist		*cpu_ml[NCPU];
186 	caddr_t			locked_va;
187 	tte_t			locked_tte;
188 	void			(*mc_resume)(void);
189 	int			(*scf_fmem_end)(void);
190 	int			(*scf_fmem_cancel)(void);
191 	uint64_t		copy_delay;
192 	uint64_t		stick_freq;
193 	uint64_t		copy_wait_time;
194 	processorid_t		slowest_cpuid;
195 } drmach_copy_rename_data_t;
196 
197 typedef struct {
198 	uint64_t	nbytes[NCPU];
199 } drmach_cr_stat_t;
200 
201 typedef struct {
202 	drmach_copy_rename_critical_t	*critical;
203 	drmach_copy_rename_data_t	*data;
204 	caddr_t				memlist_buffer;
205 	struct memlist			*free_mlist;
206 	drmach_cr_stat_t		*stat;
207 } drmach_copy_rename_program_t;
208 
209 #define	DRMACH_FMEM_LOCKED_PAGES	4
210 #define	DRMACH_FMEM_DATA_PAGE		0
211 #define	DRMACH_FMEM_CRITICAL_PAGE	1
212 #define	DRMACH_FMEM_MLIST_PAGE		2
213 #define	DRMACH_FMEM_STAT_PAGE		3
214 
215 /*
216  * layout of the FMEM buffers:
217  * 1st 8k page
218  * +--------------------------------+
219  * |drmach_copy_rename_program_t    |
220  * +--------------------------------+
221  * |drmach_copy_rename_data_t       |
222  * |                                |
223  * +--------------------------------+
224  *
225  * 2nd 8k page
226  * +--------------------------------+
227  * |drmach_copy_rename_critical_t   |
228  * |                                |
229  * +--------------------------------+
230  * |run (drmach_copy_rename_prog__relocatable)
231  * |(roundup boundary to 1K)        |
232  * +--------------------------------+
233  * | fmem_script                    |
234  * |(roundup boundary to 1K)        |
235  * +--------------------------------+
236  * |loop_script                     |
237  * |                                |
238  * +--------------------------------+
239  * |at least 1K NOP/0's             |
240  * |                                |
241  * +--------------------------------+
242  *
243  * 3rd 8k page
244  * +--------------------------------+
245  * |memlist_buffer (free_mlist)     |
246  * |                                |
247  * +--------------------------------+
248  *
249  * 4th 8k page - drmach_cr_stat_t.
250  *
251  */
252 
253 typedef struct {
254 	boolean_t	assigned;
255 	boolean_t	powered;
256 	boolean_t	configured;
257 	boolean_t	busy;
258 	boolean_t	empty;
259 	sbd_cond_t	cond;
260 	char		type[MAXNAMELEN];
261 	char		info[MAXPATHLEN];	/* TODO: what size? */
262 } drmach_status_t;
263 
264 typedef struct {
265 	int	size;
266 	char	*copts;
267 } drmach_opts_t;
268 
269 typedef struct {
270 	uint64_t mi_basepa;
271 	uint64_t mi_size;
272 	uint64_t mi_slice_size;
273 	uint64_t mi_alignment_mask;
274 } drmach_mem_info_t;
275 
276 extern sbd_error_t	*drmach_mem_get_info(drmachid_t, drmach_mem_info_t *);
277 extern int		drmach_board_is_floating(drmachid_t);
278 
279 extern sbd_error_t	*drmach_copy_rename_init(
280 				drmachid_t dst_id,
281 				drmachid_t src_id, struct memlist *src_copy_ml,
282 				drmachid_t *pgm_id);
283 extern sbd_error_t	*drmach_copy_rename_fini(drmachid_t id);
284 extern void		 drmach_copy_rename(drmachid_t id);
285 
286 extern sbd_error_t	*drmach_pre_op(int cmd, drmachid_t id,
287 						drmach_opts_t *opts);
288 extern sbd_error_t	*drmach_post_op(int cmd, drmachid_t id,
289 						drmach_opts_t *opts);
290 
291 extern sbd_error_t	*drmach_board_assign(int bnum, drmachid_t *id);
292 extern sbd_error_t	*drmach_board_connect(drmachid_t id,
293 						drmach_opts_t *opts);
294 extern sbd_error_t	*drmach_board_deprobe(drmachid_t id);
295 extern sbd_error_t	*drmach_board_disconnect(drmachid_t id,
296 						drmach_opts_t *opts);
297 extern sbd_error_t	*drmach_board_find_devices(drmachid_t id, void *a,
298 		sbd_error_t *(*found)(void *a, const char *, int, drmachid_t));
299 extern int		drmach_board_lookup(int bnum, drmachid_t *id);
300 extern sbd_error_t	*drmach_passthru(drmachid_t id,
301 						drmach_opts_t *opts);
302 
303 extern sbd_error_t	*drmach_board_name(int bnum, char *buf, int buflen);
304 
305 extern sbd_error_t	*drmach_board_poweroff(drmachid_t id);
306 extern sbd_error_t	*drmach_board_poweron(drmachid_t id);
307 extern sbd_error_t	*drmach_board_test(drmachid_t id, drmach_opts_t *opts,
308 				int force);
309 
310 extern sbd_error_t	*drmach_board_unassign(drmachid_t id);
311 
312 extern sbd_error_t	*drmach_configure(drmachid_t id, int flags);
313 
314 extern sbd_error_t	*drmach_cpu_disconnect(drmachid_t id);
315 extern sbd_error_t	*drmach_cpu_get_id(drmachid_t id, processorid_t *cpuid);
316 extern sbd_error_t	*drmach_cpu_get_impl(drmachid_t id, int *ip);
317 extern void		 drmach_cpu_flush_ecache_sync(void);
318 
319 extern sbd_error_t	*drmach_get_dip(drmachid_t id, dev_info_t **dip);
320 
321 extern sbd_error_t	*drmach_io_is_attached(drmachid_t id, int *yes);
322 extern sbd_error_t	*drmach_io_post_attach(drmachid_t id);
323 extern sbd_error_t	*drmach_io_post_release(drmachid_t id);
324 extern sbd_error_t	*drmach_io_pre_release(drmachid_t id);
325 extern sbd_error_t	*drmach_io_unrelease(drmachid_t id);
326 
327 extern sbd_error_t	*drmach_mem_add_span(drmachid_t id,
328 				uint64_t basepa, uint64_t size);
329 extern sbd_error_t	*drmach_mem_del_span(drmachid_t id,
330 				uint64_t basepa, uint64_t size);
331 extern sbd_error_t	*drmach_mem_disable(drmachid_t id);
332 extern sbd_error_t	*drmach_mem_enable(drmachid_t id);
333 extern sbd_error_t	*drmach_mem_get_base_physaddr(drmachid_t id,
334 				uint64_t *pa);
335 extern sbd_error_t	*drmach_mem_get_memlist(drmachid_t id,
336 				struct memlist **ml);
337 extern sbd_error_t	*drmach_mem_get_slice_size(drmachid_t, uint64_t *);
338 
339 extern sbd_error_t	*drmach_release(drmachid_t id);
340 extern sbd_error_t	*drmach_status(drmachid_t id, drmach_status_t *stat);
341 extern sbd_error_t	*drmach_unconfigure(drmachid_t id, int flags);
342 extern int		drmach_log_sysevent(int board, char *hint, int flag,
343 					    int verbose);
344 
345 extern int		drmach_verify_sr(dev_info_t *dip, int sflag);
346 extern void		drmach_suspend_last();
347 extern void		drmach_resume_first();
348 
349 #endif
350 
351 #ifdef __cplusplus
352 }
353 #endif
354 
355 #endif /* _SYS_DRMACH_H_ */
356